Title:
JAMA: The Journal of the American Medical Association
Publisher:
American Medical Association (AMA)
ISSN
(Print):
00987484
ISSN
(Electronic):
15383598
Publication date
(Print):
March
16 1994
Volume: 271
Issue: 11
Pages: 840-844
Article
DOI: 10.1001/jama.271.11.840
SO-VID: ec2dad53-0e3f-426b-9456-5e9f0c69610c
Copyright © ©
1994